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@@ -2164,3 +2164,39 @@ arch-specific bugs fixed:
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- riscv64 atomics had broken asm constraints (missing earlyclobber flag)
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- arm clone() was broken when compiled as thumb if start function returned
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- mipsr6 setjmp/longjmp did not preserve fpu register state correctly
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+
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+
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+
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+1.2.0 release notes
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+
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+new features:
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+- time_t is now 64-bit on all archs (not just 64-bit archs)
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+- character type & case mapping data updated to Unicode 12.1.0
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+- header-level support for new linux features in 5.3 and 5.4
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+
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+performance:
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+- new O(1) wchar_t case mapping implementation
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+- i386 now uses C math code for exp, faster than old asm
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+- mips math asm
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+
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+compatibility & conformance:
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+- endian.h now aims to conform to future POSIX definition
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+- support older compilers that don't accept powerpc math asm constraints
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+- fdpic code in ldso was incompatible with valid optimizations in gcc 9+
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+- RLIMIT_RTTIME was missing from sys/resource.h
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+
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+bugs fixed:
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+- wcwidth wrongly returned 0 for most of planes 4 and up
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+- missing case mapping between U+03F3 and U+037F
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+- wrong cacosh results for arguments with negative imaginary part
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+- wrong catanf/catanl results for various classes of arguments
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+- wrong return value for ungetc with argument outside [0,UCHAR_MAX]
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+- posix_openpt with no ptys available produced wrong errno
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+
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+arch-specific bugs fixed:
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+- sigcontext/regset definition mistakes & omissions on m68k, powerpc64
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+- fesetenv(FE_DFL_ENV) crashed on riscv64
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+- sh2 dynamic linker was broken since 1.1.21 (crash in stage 2b)
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+- arm dynamic linker chose wrong tls/atomic variants since 1.1.21
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+- some math library functions returned excess precision on i386
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+- unconfirmed regression in fchmodat AT_SYMLINK_NOFOLLOW on mips*
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Rich Felker